@Override
            public String getSmbAvailableSidTypes() {
                return "1,2,4:2,5:1";
            }

            @Override
            public boolean isLdapLowercasePermissionName() {
                return false;
            }

            @Override
            public boolean isLdapIgnoreNetbiosName() {
                return false;
            }
        });

    @Test
    public void test_normalizePermissionName_withNull() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public boolean isLdapLowercasePermissionName() {
                return false;
            }
        });
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();